In this article, I described how to calculate the maximum range of various integer data types in SQL Server. TINYINT, SMALLINT, INT and BIGINT are all number data types. The difference between these data types are in the minimum and maximum values. So let's have a look at a practical example of how to calculate the maximum range of the integer data type in SQL Server. The example is developed in SQL Server 2012 using the SQL Server Management Studio.